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A symptom in your fingernail could point to cancer, psoriasis
New York Post • • health
Key Points:
- Lunulae, the half-moon shapes at the base of nails where new nail cells form, can indicate health changes, especially when they turn red across multiple fingernails.
- Red lunulae have been linked to serious systemic diseases such as heart failure, chronic respiratory conditions, liver cirrhosis, various cancers, and autoimmune disorders like lupus and alopecia areata.
- The exact mechanism connecting red lunulae to these diseases remains unclear, but their presence on multiple nails should prompt further medical investigation.
- Red lunulae on a single nail are more likely due to local injury rather than systemic illness, and not all individuals have visible lunulae, so absence or presence alone does not confirm health status.
- Researchers emphasize that recognizing red lunulae can aid early detection of underlying systemic or dermatologic diseases, though this diagnostic sign is often overlooked due to its rarity.
